
León Castellanos Jankiewicz
@leoncastjan
international law and arms trade. working on the b sides.
ID: 808695082161410052
https://www.leoncastellanos.com/ 13-12-2016 15:28:27
3,3K Tweet
3,3K Followers
2,2K Following



New publication with my friend Momchil Milanov! We follow the intellectual journey of André Mandelstam, a human rights forerunner who also dabbled with imperialism — a complicated figure, yet one worth studying. Open access EJIL: Talk! : academic.oup.com/ejil/advance-a…



Such an honor to address the United Nations Working Group on Firearms in Vienna this week on the contribution of the Firearms Protocol to conflict prevention and peacebuilding! Read my speech on leoncastellanos.com


New report on autonomous weapons systems & human rights published by the Harvard International Human Rights Law Clinic and Human Rights Watch: hrw.org/news/2025/04/2…


Call for blog symposium proposals, with 'Arms Transfers and Proliferation' being one of the topics of interest Opinio Juris: opiniojuris.org/2025/05/06/cfp…




I spoke to The Intercept about Google's self-avowed inability to conduct proper risk assessments in a contract it concluded with Israel to provide cloud and machine-learning services: theintercept.com/2025/05/12/goo…



Hoy el The New York Times reporta sobre las armerías mexicanas "estrictamente reguladas" — fuerte contraste con la violencia que genera el mercado negro de armas traficadas y desviadas James Wagner: nytimes.com/es/2025/05/17/…

New investigation finds that independent U.S. gun dealers accounted for 83% of trafficked weapons to Mexico, "including most of the most dangerous types of trafficked guns." Full story by Sean Kevin Campbell & Topher L. McDougal via The Conversation: theconversation.com/us-gun-traffic…

New publication! On plumbing human rights from the depths of empire — with Momchil Milanov. Open access via EJIL: Talk!: academic.oup.com/ejil/article/3…


La Suprema Corte estadounidense se pronunciará pronto sobre la demanda de México contra armerías. Hablé con Alejandro Domínguez esta semana sobre lo que nos podemos esperar: